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Grit to Gold: Improving Carbon Black Value

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Carbon Black is a material produced from the incomplete combustion of hydrocarbons and is an essential component in tires, rubber, plastics and liquids, enhancing these products by adding strength and durability. Most Carbon Black is produced in an atmosphere controlled furnace where fuel is introduced into a hot gas stream that produces sufficient heat to vaporize and pyrolyze the fuel into ultra-fine carbon particles. At this point the carbon black is an inconsistent mixture of fine particles and agglomerates referred to as grit.  These grit particles are an unwanted byproduct, and can adversely affect the physical properties of the rubber and plastic products.


How can you turn “grit” into “gold”? Grit in carbon black reduces material value because it cannot be sold for specialty, high value applications. In many advanced manufacturing processes, nearly grit free carbon black is a must. To produce high value carbon black with lower grit levels, manufacturers have two options: 1) Consume high-priced feedstock oil in the production furnace or 2) Remove and micronize the grit produced in the reactors. Both options can help achieve cleaner products; however, grit reduction through milling is a more effective, economical solution.


On Wednesday, November 29th at 2:00 PM (Eastern Time), Hosokawa will host a webinar focusing on improving the value of your carbon black material through grit reduction processes.

  • Carbon black production & applications
  • Turning grit to gold through advanced milling technologies
  • The most efficient and effective milling technologies
  • Equipment design & considerations

This program will be approximately 45 minutes long and conclude with a question and answer session. The program is designed for carbon black manufacturers seeking ways to improve product value, but maybe useful to anyone using air classifying mills or other size reduction technologies.


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William (Bill) Brown is the Director of Sales & Marketing of Hosokawa Micron Powder Systems, the North American division of the Hosokawa Micron Group, responsible for sales and engineering functions. Hosokawa Micron is the global leading provider of powder and particle processing solutions for size reduction, classification, mixing and drying applications. Bill has worked in the powder processing industry for 25 years, serving many roles in the Hosokawa Micron Group. Bill holds a BS degree in Mechanical Engineering from Rutgers University and MBA from University of Richmond.

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